Who should use Resonance?

Resonance is a B2B product built for developers.

Does Resonance have a free plan?

Yes — Resonance is free to use.

What platforms does Resonance run on?

Resonance runs on the web and Linux.

Is Resonance still active?

Unverified. Resonance has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Who develops Resonance?

Resonance is developed by db_mobile.

When did Resonance launch?

Resonance first shipped in 2024.

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Resonance

Name: Resonance
Author: db_mobile

FlathubAPI design, testing & docs

Resonance is a local-first API client designed for developers to test and interact with web services. It supports OpenAPI and Postman imports, multiple authentication methods, code generation, GraphQL, gRPC, WebSocket, SSE, MQTT, and includes a mock server.

FreeWebLinuxCloud-managed

Visit Flathub

Overview

12 features

Resonance sits in PulseGate's API design, testing & docs category. It focuses on simplifying the process of testing and interacting with APIs and web services for developers. Resonance is a B2B product aimed at developers. Resonance costs nothing to use. Resonance is available on the web and Linux.

db_mobile builds and maintains Resonance, and it first shipped in 2024. Among its 12 catalogued features are API testing, openAPI import, and postman import.

Summary written by a language model from the project’s public pages.

API testing
OpenAPI import
Postman import
Authentication methods
Code generation
GraphQL support
gRPC support
WebSocket support
SSE support
MQTT support
Collection runner
Mock server

Built with & integrations

Runs on

BrowserLinuxCloud-managed

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed13 Jun · 17:09 UTC
resonance verified against its public source
Source: PulseGate · Open

Frequently asked questions about Resonance

What is Resonance?: Resonance focuses on simplifying the process of testing and interacting with APIs and web services for developers. It is catalogued under API design, testing & docs on PulseGate.
Who should use Resonance?: Resonance is a B2B product built for developers.
Does Resonance have a free plan?: Yes — Resonance is free to use.
What platforms does Resonance run on?: Resonance runs on the web and Linux.
Is Resonance still active?: Unverified. Resonance has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops Resonance?: Resonance is developed by db_mobile.
When did Resonance launch?: Resonance first shipped in 2024.

At a glance

Platforms: Desktop
Languages: English
Built for: developers
Model: B2B
Solves: Simplifying the process of testing and interacting with APIs and web services for developers.

Registered as

Flathub: io.github.db_mobile.resonance

Developer

db_mobile

Index record

Identity confidence: Medium · 71.4
Indexed: 13 Jun 2026
Lifecycle: Alive
Last seen: 13 Jun 2026

Identity audit (12)

Slug: resonance-flathub-org
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 13 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Written by a language model from the project's public pages.
Category from: Assigned by the 2026 taxonomy migration.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Canonical URL: https://flathub.org/apps/io.github.db_mobile.resonance

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